1. Department of Oncology, University of Alberta, Cross Cancer Institute, 11560 University Avenue, Edmonton, Alberta T6G 1Z2, Canada
2. Clinic of Radiology and Nuclear Medicine, Biomedical Chemistry and Clinic of Radiology and Nuclear Medicine, Molecular Imaging and Radiochemistry, Medical Faculty Mannheim of Heidelberg University, Theodor-Kutzer-Ufer 1-3, Mannheim 68167, Germany
3. Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street, Hamilton, Ontario L8S 4K1, Canada